Home / 117,355.40-176,033.10-47,198.60

Finding the Fourth Proportional to 117,355.40, 176,033.10 and 47,198.60

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Solution

The fourth proportional to 117,355.40, 176,033.10 and 47,198.60 is: 70,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,355.40 : 176,033.10 = 47,198.60 : x
  2. Step 2: Convert to fraction form
    117,355.40/176,033.10 = 47,198.60/x
  3. Step 3: Cross multiply
    117,355.40x = 176,033.10 × 47,198.60
  4. Step 4: Simplify right side
    117,355.40x = 8,308,515,873.66
  5. Step 5: Solve for x
    x = 8,308,515,873.66/117,355.40
  6. Step 6: Final answer
    x = 70,797.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.